CN107139647B - Equal-strength rim and manufacturing method - Google Patents
Equal-strength rim and manufacturing method Download PDFInfo
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- CN107139647B CN107139647B CN201710214900.XA CN201710214900A CN107139647B CN 107139647 B CN107139647 B CN 107139647B CN 201710214900 A CN201710214900 A CN 201710214900A CN 107139647 B CN107139647 B CN 107139647B
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- rim
- ring
- transition
- strip
- tire bead
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B21/00—Rims
- B60B21/02—Rims characterised by transverse section
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B21/00—Rims
Abstract
The invention relates to the field of wheels, and aims to provide an equal-strength rim and a manufacturing method thereof. An equal strength rim comprising: the outer tire bead, the spoke mounting ring whose outer end is connected with the inner end of the outer tire bead, and the inner tire bead; the equal strength rim also comprises: two transition side rings, two ends of the two transition side rings are correspondingly connected with the inner sides of the two transition side rings; the outer side of the transition side ring is connected with the inner end of the spoke mounting ring; the outer side wall of the other transition side ring is connected with the outer end of the inner tire bead; the thicknesses of the outer tire bead, the spoke mounting ring and the inner tire bead are equal; the thickness of the slot bottom ring is 0.5 to 0.8 times of that of the spoke mounting ring; the thickness of the transition side ring becomes thinner gradually from the outer side periphery to the inner side periphery. The rim with the same strength has different thicknesses of different sections according to different stress, lighter weight and reduced material consumption. The manufacturing method of the rim with equal strength can meet the manufacturing requirement of the rim with equal strength.
Description
Technical Field
The invention relates to the field of wheels, in particular to an equal-strength rim and a manufacturing method thereof.
Background
Chinese patent application No.: CN201480006818.2 discloses a wheel comprising a rim portion (1) and a disc portion (10) formed from a sheet metal blank, the disc portion (10) comprising a central portion (11) with a bolt hole (13) and a plurality of radially extending spoke means (15), the spoke means (15) merging into a disc rim (19) which together with the spoke means define a ventilation pocket (5) extending over the area between the rim web (18) and the disc rim (19). When the rim of the wheel bears load, the force applied to each part is different; the traditional rim has the defects that the thicknesses of different sections bearing different stresses are the same, and the weight of the rim is heavier; therefore, designing a rim with equal strength and light weight according to different stress, different cross sections and different thicknesses and a manufacturing method thereof becomes a problem to be solved urgently.
Disclosure of Invention
The invention aims to overcome the defects that the thickness of different sections bearing different stresses is the same and the weight of the rim is heavier in the conventional rim, and provides an equal-strength rim with different thicknesses and lighter weight of different sections according to different stresses and a manufacturing method thereof.
The specific technical scheme of the invention is as follows:
an equal strength rim comprising: the outer tire bead, the spoke mounting ring whose outer end is connected with the inner end of the outer tire bead, and the inner tire bead; the equal strength rim also comprises: two transition side rings, two ends of the two transition side rings are correspondingly connected with the inner sides of the two transition side rings; the outer side of the transition side ring is connected with the inner end of the spoke mounting ring; the outer side wall of the other transition side ring is connected with the outer end of the inner tire bead; the thicknesses of the outer tire bead, the spoke mounting ring and the inner tire bead are equal; the thickness of the slot bottom ring is 0.5 to 0.8 times of that of the spoke mounting ring; the thickness of the transition side ring becomes thinner gradually from the outer side periphery to the inner side periphery. The rim with the same strength has different thicknesses of different sections according to different stress, lighter weight and reduced material consumption.
Preferably, a first fillet transition ring connected with the inner end of the spoke installation ring is arranged around the outer side of the first transition side ring; and a second fillet transition ring connected with the outer end of the inner tire bead is arranged around the outer side of the second transition side ring. The first fillet transition ring and the second fillet transition ring reduce stress at the joint, and improve overall strength and rigidity.
Preferably, the rim with equal strength further comprises: the inner end of the inner wheel rim is connected with the outer end of the outer tire ring; the thickness of the outer rim and the inner rim is equal to that of the spoke installation ring. The outer rim improves the strength and rigidity of the outer end of the rim with equal strength, and the inner rim improves the strength and rigidity of the inner end of the rim with equal strength.
A method for manufacturing a rim with equal strength comprises the following steps: the outer tire bead, the spoke mounting ring, the inner tire bead, the two transition side rings and the groove bottom ring, wherein the outer end of the spoke mounting ring is connected with the inner end of the outer tire bead; the outer side of the transition side ring is connected with the inner end of the spoke mounting ring; the outer side wall of the other transition side ring is connected with the outer end of the inner tire bead; the thicknesses of the outer tire bead, the spoke mounting ring and the inner tire bead are equal; the thickness of the slot bottom ring is 0.5 to 0.8 times of that of the spoke mounting ring; the thickness of the transition side ring becomes thinner gradually from the outer side circumference to the inner side circumference; a first fillet transition ring connected with the inner end of the spoke installation ring is arranged around the outer side of the first transition side ring; a second fillet transition ring connected with the outer end of the inner tire bead is arranged around the outer side of the second transition side ring; the equal strength rim still includes: the inner end of the inner wheel rim is connected with the outer end of the outer tire ring; the thickness of the inner rim of the outer rim is equal to that of the spoke mounting ring; firstly, manufacturing a material roll, wherein the material roll is formed by winding a plurality of strip materials which are arranged in parallel and have the width corresponding to the width of a rim; a decoiling line is arranged between two adjacent strips; the cross section shape of the strip material corresponds to the cross section shape of the rim side wall; step two, cutting the material roll into strip material rolls along the decoiling line; step three, cutting the unfolded strip material roll into rim strips; step four, the rim strip is rolled into a rim ring, and two ends of the rim strip are opposite to form a welding line; flattening two ends of the rim strip, welding the two ends at the welding seam, and welding the rim ring into a rim blank ring; step six, removing welding slag of the rim blank ring; flaring is carried out on two ends of the rim blank ring; step eight, rolling and forming an outer tire bead, a spoke mounting ring, a first fillet transition ring, a second fillet transition ring, two transition side rings and a groove bottom ring of the rim; and step nine, finishing the rolled rim to finish the equal-strength rim. The manufacturing method of the rim with equal strength can meet the manufacturing requirement of the rim with equal strength; the material roll customized by a steel mill simplifies the manufacturing process of the equal-strength rim, improves the manufacturing efficiency and reduces the manufacturing cost.
Preferably, the strip material comprises an outer strip, an outer transition strip, a groove bottom strip, an inner transition strip and an inner strip which are transversely connected in sequence; the thickness of the outer strip and the inner strip is 0.5 to 0.8 time of the thickness of the groove bottom strip; the thickness of the outer transition strip becomes thinner gradually from the outside to the inside, and the thickness of the inner transition strip becomes thinner gradually from the inside to the outside. The outer strip corresponds to an outer wheel rim, an outer tire bead and a spoke installation ring of the rim with equal strength, the inner strip corresponds to an inner wheel rim and an outer tire bead of the rim with equal strength, the groove bottom strip corresponds to a groove bottom ring of the rim with equal strength, the outer transition strip and the inner transition strip correspond to two transition side rings of the rim with equal strength respectively, manufacturing and forming of the rim with equal strength are facilitated, and loss of a mold and equipment is reduced.
Compared with the prior art, the invention has the beneficial effects that: the rim with the same strength has different thicknesses of different sections according to different stress, lighter weight and reduced material consumption. The first fillet transition ring and the second fillet transition ring reduce stress at the joint, and improve overall strength and rigidity. The outer rim improves the strength and rigidity of the outer end of the rim with equal strength, and the inner rim improves the strength and rigidity of the inner end of the rim with equal strength. The manufacturing method of the rim with equal strength can meet the manufacturing requirement of the rim with equal strength; the material roll customized by a steel mill simplifies the manufacturing process of the equal-strength rim, improves the manufacturing efficiency and reduces the manufacturing cost. The strip material comprises an outer strip, an outer transition strip, a groove bottom strip, an inner transition strip and an inner strip which are connected in sequence in a transverse direction; the thickness of the outer strip and the inner strip is 0.5 to 0.8 time of the thickness of the groove bottom strip; the thickness of outer transition strip is from outer to interior attenuation gradually, the thickness of interior transition strip is from inside to outside attenuation gradually, outer strip corresponds with the outer rim of uniform strength rim, outer tire bead, spoke installation circle, interior strip corresponds with the inner rim of uniform strength rim, outer tire ring, the groove bottom strip corresponds with the tank bottom circle of uniform strength rim, outer transition strip, interior transition strip correspond with two transition side circles of uniform strength rim respectively, do benefit to the preparation shaping of uniform strength rim, reduce the loss of mould and equipment.
Drawings
FIG. 1 is a schematic view of a construction of a rim of equal strength;
FIG. 2 is a schematic structural view of a cross-sectional shape of a bar;
FIG. 3 is a schematic view of the construction of a rim blank ring;
fig. 4 is a schematic structural view of the rim blank ring after flaring.
In the figure: the wheel rim comprises an outer tire bead 1, a spoke mounting ring 2, an inner tire ring 3, a transition side ring 4, a groove bottom ring 5, a first fillet transition ring 6, a second fillet transition ring 7, an outer tire rim 8, an inner tire rim 9, a strip material 10, a welding seam 11, a rim blank ring 12, an outer strip 13, an outer transition strip 14, a groove bottom strip 15, an inner transition strip 16, an inner strip 17 and a flaring 18.
Detailed Description
The invention will be further described with reference to the drawings.
As shown in the attached figures 1, 2, 3 and 4: an equal strength rim comprising: the outer tire bead 1, the spoke mounting ring 2 connected integrally with the outer end and the inner end of the outer tire bead 1, the inner tire ring 3, the two transition side rings 4 and the groove bottom ring 5 connected integrally with the two ends and the inner side peripheries of the two transition side rings 4 in a one-to-one correspondence manner; the outer side wall of one transition side ring 4 is integrally connected with the inner end of the spoke mounting ring 2; the outer side wall of the other transition side ring 4 is integrally connected with the outer end of the inner tire ring 3; the thicknesses of the outer tire bead 1, the spoke installation ring 2 and the inner tire ring 3 are equal; the thickness of the slot bottom ring 5 is 0.6 times of that of the spoke mounting ring 2; the thickness of the groove bottom ring 5 is 4.5 mm; the thickness of the transition side ring 4 becomes thinner gradually from the outer side circumference to the inner side circumference.
In this embodiment, a first fillet transition ring 6 integrally connected with the inner end of the spoke installation ring 2 is arranged around the outer side of the first transition side ring 4; and a second round corner transition ring 7 integrally connected with the outer end of the inner tire ring 3 is arranged around the outer side of the second transition side ring 4.
The equal strength rim also comprises: an outer rim 8 with the inner end integrally connected with the outer end of the outer tire bead 1, and an inner rim 9 with the outer end integrally connected with the inner end of the inner tire bead 3; the thickness of the outer rim 8 and the inner rim 9 is equal to the thickness of the spoke attachment ring 2.
A method for manufacturing a rim with equal strength comprises the following steps: the outer tire bead 1, the spoke mounting ring 2 connected integrally with the outer end and the inner end of the outer tire bead 1, the inner tire ring 3, the two transition side rings 4 and the groove bottom ring 5 connected integrally with the two ends and the inner side peripheries of the two transition side rings 4 in a one-to-one correspondence manner; the outer side wall of one transition side ring 4 is integrally connected with the inner end of the spoke mounting ring 2; the outer side wall of the other transition side ring 4 is integrally connected with the outer end of the inner tire ring 3; the thicknesses of the outer tire bead 1, the spoke installation ring 2 and the inner tire ring 3 are equal; the thickness of the slot bottom ring 5 is 0.6 times of that of the spoke mounting ring 2; the thickness of the groove bottom ring 5 is 4.5 mm; the thickness of the transition side ring 4 becomes thinner from the outer side circumference to the inner side circumference; in this embodiment, a first fillet transition ring 6 integrally connected with the inner end of the spoke installation ring 2 is arranged around the outer side of the first transition side ring 4; a second fillet transition ring 7 integrally connected with the outer end of the inner tire ring 3 is arranged around the outer side of the second transition side ring 4; the equal strength rim still includes: an outer rim 8 with the inner end integrally connected with the outer end of the outer tire bead 1, and an inner rim 9 with the outer end integrally connected with the inner end of the inner tire bead 3; the thickness of the inner rim 9 of the outer rim 8 is equal to that of the spoke mounting ring 2; step one, manufacturing a material roll, wherein the material roll is formed by winding three strip materials which are arranged in parallel and have the width corresponding to the width of a rim; a decoiling line is arranged between two adjacent strips 10; the cross section of the strip material 10 corresponds to the cross section of the side wall of the rim; step two, cutting the material roll into strip material rolls along the decoiling line; step three, cutting the unfolded strip material roll into rim strips; step four, the rim strip is rolled to form a rim ring, and two ends of the rim strip are opposite to form a welding seam 11; flattening two ends of the rim strip, welding the two ends at the welding seam 11, and welding the wheel rim ring into a rim blank ring 12; step six, removing welding slag of the rim blank ring 12; step seven, flaring 18 is carried out on two ends of the rim blank ring 12; step eight, rolling and forming an outer tire ring 1, a spoke installation ring 2, a first fillet transition ring 6, a second fillet transition ring 7, two transition side rings 4 and a groove bottom ring 5 of the rim; and step nine, finishing the rolled rim to finish the equal-strength rim.
The strip material 10 comprises an outer strip 13, an outer transition strip 14, a groove bottom strip 15, an inner transition strip 16 and an inner strip 17 which are transversely connected in sequence; the thickness of the outer strip 13 and the inner strip 17 is 0.6 times of that of the groove bottom strip 15; the thickness of the outer transition strip 14 tapers from the outside to the inside and the thickness of the inner transition strip 16 tapers from the inside to the outside.
The invention has the beneficial effects that: the rim with the same strength has different thicknesses of different sections according to different stress, lighter weight and reduced material consumption. The first fillet transition ring and the second fillet transition ring reduce stress at the joint, and improve overall strength and rigidity. The outer rim improves the strength and rigidity of the outer end of the rim with equal strength, and the inner rim improves the strength and rigidity of the inner end of the rim with equal strength. The manufacturing method of the rim with equal strength can meet the manufacturing requirement of the rim with equal strength; the material roll customized by a steel mill simplifies the manufacturing process of the equal-strength rim, improves the manufacturing efficiency and reduces the manufacturing cost. The strip material comprises an outer strip, an outer transition strip, a groove bottom strip, an inner transition strip and an inner strip which are connected in sequence in a transverse direction; the thickness of the outer strip and the inner strip is 0.6 times of that of the groove bottom strip; the thickness of outer transition strip is from outer to interior attenuation gradually, the thickness of interior transition strip is from inside to outside attenuation gradually, outer strip corresponds with the outer rim of uniform strength rim, outer tire bead, spoke installation circle, interior strip corresponds with the inner rim of uniform strength rim, outer tire ring, the groove bottom strip corresponds with the tank bottom circle of uniform strength rim, outer transition strip, interior transition strip correspond with two transition side circles of uniform strength rim respectively, do benefit to the preparation shaping of uniform strength rim, reduce the loss of mould and equipment.
It will be obvious to those skilled in the art that the present invention may be varied in many ways, and that such variations are not to be regarded as a departure from the scope of the invention. All such modifications as would be obvious to one skilled in the art are intended to be included within the scope of this claim.
Claims (2)
1. A method for manufacturing a rim with equal strength comprises the following steps: the outer tire bead, the spoke mounting ring whose outer end is connected with the inner end of the outer tire bead, and the inner tire bead; the two ends of the two transition side rings are correspondingly connected with the inner sides of the two transition side rings in a one-to-one correspondence mode, the inner ends of the two transition side rings are connected with the outer wheel rim of the outer tire ring, and the outer ends of the two transition side rings are connected with the inner wheel rim of the inner tire ring; the outer side of the transition side ring is connected with the inner end of the spoke mounting ring; the outer side wall of the other transition side ring is connected with the outer end of the inner tire bead; the thicknesses of the outer tire bead, the spoke mounting ring and the inner tire bead are equal; the thickness of outer rim, interior rim equals with the thickness of spoke installation circle respectively: the thickness of the slot bottom ring is 0.5 to 0.8 times of that of the spoke mounting ring; the thickness of the transition side ring becomes thinner gradually from the outer side circumference to the inner side circumference; the method is characterized in that: firstly, manufacturing a material roll, wherein the material roll is formed by winding a plurality of strip materials which are arranged in parallel and have the width corresponding to the width of a rim; a decoiling line is arranged between two adjacent strips; the cross section shape of the strip material corresponds to the cross section shape of the rim side wall; step two, cutting the material roll into strip material rolls along the decoiling line; step three, cutting the unfolded strip material roll into rim strips; step four, the rim strip is rolled into a rim ring, and two ends of the rim strip are opposite to form a welding line; flattening two ends of the rim strip, welding the two ends at the welding seam, and welding the rim ring into a rim blank ring; step six, removing welding slag of the rim blank ring; flaring is carried out on two ends of the rim blank ring; step eight, rolling and forming an outer tire bead, a spoke mounting ring, a first fillet transition ring, a second fillet transition ring, two transition side rings and a groove bottom ring of the rim; and step nine, finishing the rolled rim to finish the equal-strength rim.
2. The method for manufacturing a rim with equal strength as claimed in claim 1, wherein: a first fillet transition ring connected with the inner end of the spoke installation ring is arranged around the outer side of the transition side ring; and a second fillet transition ring connected with the outer end of the inner tire bead is arranged around the outer side of the other transition side ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710214900.XA CN107139647B (en) | 2017-04-01 | 2017-04-01 | Equal-strength rim and manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710214900.XA CN107139647B (en) | 2017-04-01 | 2017-04-01 | Equal-strength rim and manufacturing method |
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| Publication Number | Publication Date |
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| CN107139647A CN107139647A (en) | 2017-09-08 |
| CN107139647B true CN107139647B (en) | 2020-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710214900.XA Active CN107139647B (en) | 2017-04-01 | 2017-04-01 | Equal-strength rim and manufacturing method |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1744997A (en) * | 2003-01-28 | 2006-03-08 | 都美工业株式会社 | Rim having a non-uniform thickness and a method for manufacturing the rim |
| CN2905513Y (en) * | 2006-05-16 | 2007-05-30 | 嘉兴市四通车轮制造有限公司 | Steel-made inner tyre-free automobile wheel iso-strength wheel rim |
| CN102802964A (en) * | 2010-01-21 | 2012-11-28 | 鹫兴产株式会社 | Wheel made of lightweight alloy |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011207352A (en) * | 2010-03-30 | 2011-10-20 | Honda Motor Co Ltd | Vehicle wheel |
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2017
- 2017-04-01 CN CN201710214900.XA patent/CN107139647B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1744997A (en) * | 2003-01-28 | 2006-03-08 | 都美工业株式会社 | Rim having a non-uniform thickness and a method for manufacturing the rim |
| CN2905513Y (en) * | 2006-05-16 | 2007-05-30 | 嘉兴市四通车轮制造有限公司 | Steel-made inner tyre-free automobile wheel iso-strength wheel rim |
| CN102802964A (en) * | 2010-01-21 | 2012-11-28 | 鹫兴产株式会社 | Wheel made of lightweight alloy |
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| Publication number | Publication date |
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| CN107139647A (en) | 2017-09-08 |
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